APA (7th ed.) Citation

Maria Inês Lopes, J. B. (2013). Principles Underlying Subject Heading Languages (SHLs). De Gruyter. https://doi.org/10.1515/9783110948752

Chicago Style (17th ed.) Citation

Maria Inês Lopes, Julianne Beall. Principles Underlying Subject Heading Languages (SHLs). Germany: De Gruyter, 2013. https://doi.org/10.1515/9783110948752.

MLA (9th ed.) Citation

Maria Inês Lopes, Julianne Beall. Principles Underlying Subject Heading Languages (SHLs). De Gruyter, 2013. https://doi.org/10.1515/9783110948752.